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IWMEncSourceGroup Interface

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The IWMEncSourceGroup interface manages a source group of media streams. Currently, a source group can contain no more than one audio, one script and one video stream. Only one source group can be encoded at a time, and a source group can be associated with only one profile. The IWMEncSourceGroup interface exposes the following properties and methods.

Property Description
AudienceCollection Not implemented in this release.
GroupTransformCollection Retrieves a collection of group level transform plug-ins for the source group.
Name Specifies and retrieves the name of the source group.
Method Description
AddSource Adds a media stream to the source group.
AutoSetFileSource Automatically parses a multimedia file and adds up to one audio and one video stream from that file to the source group.
get_AutoArchive Retrieves a value that indicates the nature of the archiving operation if WMEncoder.EnableAutoArchive is set to true.
get_Profile Retrieves the profile for the source group.
get_Source Retrieves a specific media stream from the source group.
get_SourceCount Retrieves the number of streams of a specific type in the source group. Currently, this cannot exceed three.
GetGroupTransformPlugin Retrieves a specific group level transform plug-in. This is a non-Automation compliant method.
GetGroupTransformPluginCount Retrieves the number of transform plug-ins that can be applied to the source group. This is a non-Automation compliant method.
PrepareToEncode Creates an encoding session and initializes Windows Media Encoder.
RemoveSource Removes a media stream from the source group.
set_AutoArchive Specifies a value that indicates the nature of the archiving operation if WMEncoder.EnableAutoArchive is set to true.
set_Profile Specifies the profile for the source group.

See Also